Raipur (Chhattisgarh), Nov 24 (ANI): Congress workers are guarding Electronic Voting Machines (EVMs) outside the strong room in Chhattisgarh’s Raipur. The move comes after elections in the state have recently concluded. The Congress workers have taken this step after several incidents of tampering of EVMs in several state elections were reported. Raipur Congress Chief Vikas Upadhyay said, “Instances reported related to EVMs after voting during Karnataka and Gujarat polls have raised doubts, so we are here on guard.”